biocenosis

noun

bio·​ce·​no·​sis ˌbī-ō-sə-ˈnō-səs 

variants or biocoenosis

plural biocenoses ˌbī-ō-sə-ˈnō-ˌsēz 

: an ecological community especially when forming a self-regulating unit

Word History

Etymology

New Latin, from bi- entry 2 + Greek koinōsis sharing, from koinoun to make common, from koinos common

First Known Use

1883, in the meaning defined above